Monitoring system in real life has been a large number of applications, schools, banks and other special departments and many public places are equipped with numerous surveillance cameras, security of these devices, data acquisition has played an important role. Their advantage is that the images in real time by controlling data collection and analysis staff
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The rapid development and application of Internet brought us great convenience,but also opened the door for hackers, brought us a huge security risk. Facing thegrowing number of attacks, how to identify a variety of attacks, quickly, accurately andeffectively, is a pressing problem. We need urgently to develop a new intrusiondetection method to deal with the
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With the coming of the network age, while people are taking the advanges of its convinience, they are also suffering from the intruding attack.How to ensure the safety of the information transfered? How to find out the malicious intrusions in time? Because the attack method are successive、diversity and unpredictable,the simple network defence technology about Firewall
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As an active network security technology, intrusion detection can not only find outer intruders’attack, but also detect inner legal users’unauthorized operation. Hence, it is regarded as the second network security gate behind firewall. At present, many researchers have applied support vector machine(SVM) as a machine learning method to intrusion detection and obtained certain studying achievements.
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With the rapid development of network technology, the computer network is no longer limited to wired architecture, wireless network with the advantages of flexibility and economy is combined a beautiful landscape at today’s communications world. Wireless LAN technology has rapidly developed and became a vital part of network now, and it has been applied in
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IDS is an important component of the network security system. With the development and application of IDS, we need to have a scientifically credible test for IDS. It’s very difficult to establish an uniform testing method and evaluation criteria for different IDS. Since there is no industry standard for the test and evaluation of IDS,
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With the fast development of the computer information technology, nowadays you can find that nowhere has no computer network, which has set in the every aspects of the people’s life. Having computer network, we really get many conveniences, while the security of computer and computer network has become a focus issue that is put on
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With the acceleration of construction of railway information, more and more networked computers join with the supervision system, the original static network security system which is the core of firewall can not satisfy the current network security protection, in order to concern network intrusion and protective network security actively, accelerating the development in the supervision
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With being widely applied in military surveillance, medical treatment and environment monitoring, the security issues of Wireless sensor networks (WSNs) have become increasingly prominent. As a reasonable complement for encryption, authentication and other security mechanisms, intrusion detection technology has become an important domain of WSNs security research. So it has very academic and practical value
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With the rapid development of Internet, network security problemshave become increasingly severe。The current security defense techniquesare mainly static security techniques,for example,firewall,router filter。Static security techniques work on preventing invalid access of system。Static security techniques can not totally assure the security of networkand resist the attack of hacker when genuine network attacks occur,especially novel network attacks. Therefore,
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